The local scalp flap survived in all 6 patients. The chronic scalp erosions all healed without refractory. The DBS devices still functioned properly after the treatments in all patients. The average follow-up period was 13.33 months (range 4 to 23 months), and no infection recurrence or re-erosion of the scalp flap was reported.
A combination of wound debridement, local scalp flap repair, the use of NPWT device and double cannula irrigation provides effective treatment method for chronic erosion post DBS surgery.
A combination of wound debridement, local scalp flap repair, the use of NPWT device and double cannula irrigation provides effective treatment method for chronic erosion post DBS surgery.Human adipose mesenchymal stem cells (hADSCs) show poor survival after transplantation, limiting their clinical application. Tissue regeneration resulting from stem cell treatment may be caused by attenuation of hypoxia-inducible factor-1α (HIF-1α). In this study, we constructed hADSCs stably expressing HIF-1α and investigated the potential effects of HIF-1α expression in the ischemic microenvironment on mitochondrial apoptosis and survival of hADSCs, and studied the mechanisms involved.
Apoptosis was induced by an ischemic microenvironment in vitro. ADSCs with stable HIF-1α expression were established. Cell survival and apoptosis were observed by CCK-8 assay, western blotting, flow cytometry, and fluorescence staining. ADSCs were subcutaneously transplanted into nude mice in the location where a hypoxia ischemic microenvironment was simulated in vivo. After 1, 3, and 7 d, mitochondrial apoptotic proteins were evaluated by immunohistochemistry and immunofluorescence staining.
Exogenous HIF-1α downregularnative strategy for improving hADSC therapy.A peroneal flap, the boneless version of fibula flap, is considered as the equivalent of radial forearm flap of the lower leg. Because it is thinner than an anterolateral thigh (ALT) flap, the use of a peroneal flap is a viable option for the repair of soft tissue defects when a thin flap could bring about better functional and cosmetic outcomes. In this article, we describe the details of peroneal flap harvest and present our experience with the use of peroneal flaps for head and neck reconstruction.
Between 1996 and 2017, a total of 265 peroneal flaps were used to reconstruct a variety of head and neck defects. With the same vascular anatomy and slight modifications to the harvesting technique of a fibula flap, a peroneal flap can be harvested within 1-2?h. https://www.selleckchem.com/products/blu-451.html All medical records were retrospectively reviewed.
A peroneal flap can be harvested as different types of chimeric flaps to fit a variety of head and neck defects. The peroneal flap failure rate was 3.4% and the postoperative complication rate was 12.8%.
A peroneal flap might be an alternative option for the reconstruction of head and neck defects.
A peroneal flap might be an alternative option for the reconstruction of head and neck defects.The effect of radiation on uncomplicated postoperative scars is unclear. This study aimed to analyze irradiated and non-irradiated scars in patients with unilateral breast cancer, who underwent oncoplastic breast reduction surgery and radiation therapy (RT), to identify how postoperative scar changes with radiation.
Twenty breast scars in 10 patients were analyzed after unilateral breast-conserving surgery, oncoplastic breast reduction, and RT. Scars were assessed using the Vancouver scar scale (VSS) by two independent blinded observers and three-dimensional scar analysis camera. Paired t-test between irradiated and non-irradiated scars in each patient and correlation of scar score differences with potential contributing factors were analyzed.
The VSS was significantly lower for the irradiated scar than that for the non-irradiated contralateral scar (1.40 vs. 4.05, p?=?0.001), although time interval from the last radiation to scar assessment had a negative correlation with paired differences of VSS (Spearman's correlation coefficient -0.637, p?=?0.048). Compared with the non-irradiated scar, the irradiated scar showed a significantly high level of hemoglobin (1.04 vs. 1.26, p?=?0.017) and melanin (0.55 vs. 0.63, p?=?0.03).
Postoperative scars with radiation showed better results in objective and subjective assessments than scars without radiation. These findings suggest that radiation has a positive effect on general scar maturation.
Postoperative scars with radiation showed better results in objective and subjective assessments than scars without radiation. These findings suggest that radiation has a positive effect on general scar maturation.To analyze the outcomes of trauma-related rhegmatogenous retinal detachment (RD) in pediatric population.
Retrospective observational series.
All patients under 18 years of age who underwent surgery for RD following trauma from 2010 to 2018.
Data were recorded from medical records regarding type of trauma, ocular status at presentation, details of RD (extent, number of breaks, proliferative vitreoretinopathy, choroidal detachment). The surgical intervention (scleral buckling or vitrectomy; tamponade used) and postoperative outcomes, including anatomical success, resurgeries, and visual acuity, were noted.
We included 32 eyes of 32 patients, where closed globe injury was seen in 13 eyes (41%) and open globe injury (OGI) in 19 eyes (59%). At presentation, 50% of the eyes had RD, with total RD in 20 eyes (63%). Scleral buckling was performed in 9 eyes (28%), whereas the remainder (n?=?23) underwent pars plana vitrectomy with silicon oil tamponade for RD repair. Silicone oil removal was done in 16 eyes (70%) and recurrent or persistent RD was seen 17 eyes (53%). Final reattachment rate was 75% (n?=?24). The final best-corrected visual acuity was better in the closed globe injury group (mean?=?5/60 Snellen's vs 1/60 Snellen's in OGI group), though this was only marginally significant statistically. Late complications were seen in 26 eyes (81%), of which 18 (69%) had previous OGI.
Pediatric traumatic RDs have very poor anatomical and visual outcomes. OGI fares worse than closed globe. Loss of vision in children can be prevented by better safety measures so as to avoid trauma.
Pediatric traumatic RDs have very poor anatomical and visual outcomes. OGI fares worse than closed globe. Loss of vision in children can be prevented by better safety measures so as to avoid trauma.